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Problems Faced During GST Migration and Their Solutions

Updated on: Jul 21st, 2021


5 min read

All existing Central Excise, Service Tax assessees and VAT dealers have to migrate to GST. To migrate to GST, assessees would be provided a Provisional ID and Password by the CBEC/State Commercial Tax Departments. However, there are a number of problems that businesses face during migration. Here are a few of the problems faced and the manner in which it can be resolved:

GST migration, problem faced and their solution

Provisional ID Invalid

Try deleting the browsing history and signing in on the GST portal again. You will receive a 10-digit access token along with a provisional ID. If your access token is less than 10 digits (eg. 7654356), insert a zero, in the beginning, to make it a 10 digit access token (eg. 0007654356).

RC Canceled

Error message: “Your RC under is cancelled, therefore Provisional ID stands cancelled. Hence you are not to migrate under GST”. ResolutionYou might not have filed your returns (ST/VAT) within the due date. Hence the ST/VAT department would not have forwarded the GST provisional ID to the GST department. You need to go to the department (ST/VAT) in person and ask them to push the provisional ID manually. There is a chance that your provisional ID was issued before 31st Jan 2017 and was not utilised. So the same has been cancelled. Take the following steps to get this resolved:

  • Send mail to from your registered e-mail ID
  • Subject: PID required to migrate to GST
  • Mention your Service Tax or Excise R C Number(s)
  • Any other problem being faced in migration can be mentioned

OTP not Received

Once you register you need the OTP sent to your e-mail id and mobile.If you have not received the OTP, do the following:

  • Click on resend OTP
  • Check if you have Do Not Disturb (DND) services activated with your service provider. Please deactivate this and try again to receive the OTP on your phone
  •  Check the spam folder. The mail can go to the spam folder

 PAN Details Incorrect

You will get a validation error if you enter incorrect PAN details. Entering the correct PAN details of the directors is very important. This is specifically applicable in the case of the full name of the directors being entered on the GST portal. When you enter the First, Middle and Last Name, it is necessary to update the same as specified in the PAN database (with the income tax authorities).

Range Code Error

You need to select the correct range code while filling in the GST Form-20 on the GST Common Portal. It may happen that the required range code is not appearing in the drop down. Try refreshing the page and check again to see if the range code required by you is appearing now.

Pending for Verification

When you get a message saying “pending for verification” please check if you have provided the correct OTP. Also, check if your Adhaar is linked to a mobile number.

ARN Not Received

ARN for all the migrations will be received after 15th June 2017. If you do not receive the same after 15th June, get in touch with the GST Helpdesk.

DSC Not Registered

If you get this error message there are a few things you need to do:

  • Register DSC on GST Portal
  • If it does not work try uninstalling the DSC utility and reinstalling the same
  • Check the Java version. Make sure it’s updated and the version of Java being used is the same as what is required

If you face any of the above problems in GST migration and the resolutions stated above are not working for you, please get in touch with GST Helpdesk at or call at 0124-4688999.

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Quick Summary

Assessees must migrate to GST with provisional ID. Problems during migration include Invalid ID, canceled RC, OTP not received, incorrect PAN details, Range Code error, Pending verification, ARN not received, and DSC not registered. Solutions like deleting browsing history, manual ID push, checking DND, updating PAN details correctly, selecting correct Range Code, and registering DSC are advised. Contact GST Helpdesk if issues persist.

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